3SE6704-1BA closing magnet, circular M30, suitable for 3SE6605-1BA... magnetic switch
3SE6704-2BA closing magnet, rectangular large size, suitable for 3SE6605-2BA... magnetic switch
3SE6704-3BA closing magnet, rectangular small size, plastic shell
3SE6701-2BA closing magnet, rectangular large size, suitable for 3SE6605-2BA... magnetic switch, with an increased effective distance of 8mm